React/JavaScript Developer for Physics Simulator

We are creating a digital product for science teachers. The product will include an interactive browser-based physics simulator plus a teacher lesson pack. First simulator: Forces & Friction Lab Features needed: - Sliders for mass, applied force, and friction coefficient - Show net force, friction force, acceleration, and motion result - Simple animation of a block moving on a surface - Optional real-time graph - Clean student-friendly UI - Works on desktop, tablet, and Chromebook - Hosted online using Vercel/Netlify or similar - Option to provide offline HTML file if possible Required skills: - JavaScript / React - HTML5 Canvas, SVG, p5.js, or similar - Basic physics/math visualization - Clean UI Please send examples of interactive calculators, simulations, educational apps, or data visualiz